package com.example.springbootweb.controller;

import com.example.springbootweb.exception.UserNotExistException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpServletRequest;
import java.util.HashMap;
import java.util.Map;

@ControllerAdvice
public class MyExceptionHandler {

//    @ResponseBody
//    @ExceptionHandler(UserNotExistException.class)
//    public  Map<String, Object> handleException(Exception e){
//         Map<String, Object> map = new HashMap<>();
//         map.put("code","user.notexist");
//         map.put("message",e.getMessage());
//         return map;
//    }

    @ExceptionHandler(UserNotExistException.class)
    public  String handleException(Exception e, HttpServletRequest request){
        Map<String, Object> map = new HashMap<>();
        //传入自己的错误状态码
        request.setAttribute("javax.servlet.error.status_code", 500);
        map.put("code","user.notexist");
        map.put("message",e.getMessage());

        request.setAttribute("ext",map);
        //转发道/error
        return "forward:/error";
    }


}
